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3. Plasmids are: A: cytoplasm of a bacterial cell B: circular DNA in a bacterial cell, placed outside the bacterial chromosome C: the centromere of a chromosome D: a part of the mesosome of a bacterial cell

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7. Our genes determine (regardless of the influence of the environment): A: whether we are prone to suffering from hemophilia B: whether we are prone to suffering from diabetes C: whether we are predisposed to obesity D: whether we will grow to be intelligent

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9. Inserting a human gene in a plasmid results in: A: synthesis of human proteins in bacteria B: development of bacteria without antibiotic resistance C: identifying genetic diseases in people D: cloning of DNA molecules from a crime scene